3 files changed, 29 insertions, 0 deletions
diff --git a/src/core/iomgr/closure.c b/src/core/iomgr/closure.c
index 3265425789..d91681990f 100644
--- a/src/core/iomgr/closure.c
+++ b/src/core/iomgr/closure.c
@@ -33,6 +33,8 @@
 
 #include "src/core/iomgr/closure.h"
 
+#include <grpc/support/alloc.h>
+
 void grpc_closure_init(grpc_closure *closure, grpc_iomgr_cb_func cb,
                        void *cb_arg) {
   closure->cb = cb;
@@ -69,3 +71,25 @@ void grpc_closure_list_move(grpc_closure_list *src, grpc_closure_list *dst) {
   }
   src->head = src->tail = NULL;
 }
+
+typedef struct {
+  grpc_iomgr_cb_func cb;
+  void *cb_arg;
+  grpc_closure wrapper;
+} wrapped_closure;
+
+static void closure_wrapper(grpc_exec_ctx *exec_ctx, void *arg, int success) {
+  wrapped_closure *wc = arg;
+  grpc_iomgr_cb_func cb = wc->cb;
+  void *cb_arg = wc->cb_arg;
+  gpr_free(wc);
+  cb(exec_ctx, cb_arg, success);
+}
+
+grpc_closure *grpc_closure_create(grpc_iomgr_cb_func cb, void *cb_arg) {
+  wrapped_closure *wc = gpr_malloc(sizeof(*wc));
+  wc->cb = cb;
+  wc->cb_arg = cb_arg;
+  grpc_closure_init(&wc->wrapper, closure_wrapper, wc);
+  return &wc->wrapper;
+}
diff --git a/src/core/iomgr/closure.h b/src/core/iomgr/closure.h
index 982ffa4e1b..d812659af0 100644
--- a/src/core/iomgr/closure.h
+++ b/src/core/iomgr/closure.h
@@ -77,6 +77,9 @@ struct grpc_closure {
 void grpc_closure_init(grpc_closure *closure, grpc_iomgr_cb_func cb,
                        void *cb_arg);
 
+/* Create a heap allocated closure: try to avoid except for very rare events */
+grpc_closure *grpc_closure_create(grpc_iomgr_cb_func cb, void *cb_arg);
+
 #define GRPC_CLOSURE_LIST_INIT \
   { NULL, NULL }
 
diff --git a/src/core/iomgr/tcp_server_windows.c b/src/core/iomgr/tcp_server_windows.c
index db3319b3c6..3fea8b5b35 100644
--- a/src/core/iomgr/tcp_server_windows.c
+++ b/src/core/iomgr/tcp_server_windows.c
@@ -336,6 +336,8 @@ static void on_accept(grpc_exec_ctx *exec_ctx, void *arg, int from_iocp) {
                            peer_name_string);
       gpr_free(fd_name);
       gpr_free(peer_name_string);
+    } else {
+      closesocket(sock);
     }
   }